You Are Trying to Estimate the Average Amount a Family

question 19

Essay

You are trying to estimate the average amount a family spends on food during a year.In the past,the standard deviation of the amount a family has spent on food during a year has been approximately $1200.If you want to be 99% sure that you have estimated average family food expenditures within $60,how many families do you need to survey?

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Definitions:

Women's Clubs

Organizations and groups formed largely by women, aiming to promote social reforms, education, and community development.

Temperance Associations

Organizations dedicated to promoting moderation or the complete abstinence from alcoholic beverages.

Social Reform

Efforts aimed at making structural changes to society in order to correct injustices and inequalities, often involving legislative, social, or economic changes.

Permanent Colonies

Permanent colonies refer to long-term settlements established by nations outside their borders, intended to remain indefinitely and often serve economic, strategic, or colonization purposes.